<template>
  <div class="login">
    <!-- <h1>登录</h1>
      <el-button type="primary" @click="login">登录</el-button> -->
    <vue-particles
      id="tsparticles"
      :particlesInit="particlesInit"
      :options="options"
    />
    <div id="loginForm">
      <h3>企业信息后台管理系统</h3>
      <el-form
        ref="loginFormRef"
        style="max-width: 600px"
        :model="loginForm"
        status-icon
        :rules="loginRules"
        label-width="auto"
        class="loginForm"
      >
        <el-form-item label="用户名" prop="username">
          <el-input
            v-model="loginForm.username"
            type="text"
            autocomplete="off"
          />
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input
            v-model="loginForm.password"
            type="password"
            autocomplete="off"
          />
        </el-form-item>
        <el-form-item>
          <el-button type="primary" style="margin-left: 62px;" @click="submitForm()">
            登录
          </el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script setup>
import { loadSlim } from "tsparticles-slim";
import { reactive, ref } from "vue";
import { useRouter } from "vue-router";
import  request   from '../util/request.js'
import { ElMessage } from 'element-plus'
import store from "@/store/index.js";



const router = useRouter()
// 配置particles选项
const options = {
  background: {
    color: {
      value: "#2d3a4b",
    },
  },
  fpsLimit: 120,
  interactivity: {
    events: {
      onClick: {
        enable: true,
        mode: "push",
      },
      onHover: {
        enable: true,
        mode: "repulse",
      },
      resize: true,
    },
    modes: {
      bubble: {
        distance: 400,
        duration: 2,
        opacity: 0.8,
        size: 40,
      },
      push: {
        quantity: 4,
      },
      repulse: {
        distance: 200,
        duration: 0.4,
      },
    },
  },
  particles: {
    color: {
      value: "#ffffff",
    },
    links: {
      color: "#ffffff",
      distance: 150,
      enable: true,
      opacity: 0.5,
      width: 1,
    },
    collisions: {
      enable: true,
    },
    move: {
      direction: "none",
      enable: true,
      outModes: {
        default: "bounce",
      },
      random: false,
      speed: 6,
      straight: false,
    },
    number: {
      density: {
        enable: true,
        area: 800,
      },
      value: 80,
    },
    opacity: {
      value: 0.5,
    },
    shape: {
      type: "circle",
    },
    size: {
      value: { min: 1, max: 5 },
    },
  },
  detectRetina: true,
};
// 登录页背景设置
const particlesInit = async (engine) => {
  await loadSlim(engine);
};

// form登录表单引用对象
const loginFormRef = ref();
// form登录表单绑定的响应对象
const loginForm = reactive({
  username: "",
  password: "",
});
// form登录表单的规则
const loginRules = reactive({
  username: [{ required: true, message: "请输入用户名", trigger: "blur" }],
  password: [{ required: true, message: "请输入密码", trigger: "blur" }],
});

//登录提交
const submitForm = () => {
  // 1.校验表单
  loginFormRef.value.validate((valid)=>{
    if(valid){
      request.post('/adminapi/user/login',loginForm).then(res=>{
        if(res.data.ActiveType === 'OK'){
          store.commit('changeUserInfo',res.data.data)
          router.push('/index')
        }else{
          ElMessage.error(res.data.error)
        }
      })
      
    }
  })
  
};
</script>

<style scoped lang="scss">
#loginForm {
  width: 31.25rem;
  height: 31.25rem;
  background: rgba($color: #000000, $alpha: 0.5);
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  padding: 20px;
  color: white;
  h3{
    text-align: center;
    margin: 1.875rem 0;
    font-size: 1.875rem;
  }
  ::v-deep .el-form-item__label{
    color: white;
  }
}
</style>
